diff --git a/config/description.exs b/config/description.exs
index f8496760f..6520bc29a 100644
--- a/config/description.exs
+++ b/config/description.exs
@@ -2999,6 +2999,11 @@
             key: :federated,
             type: :boolean,
             description: "Disallow viewing the whole known network timeline."
+          },
+          %{
+            key: :bubble,
+            type: :boolean,
+            description: "Disallow viewing the bubble timeline."
           }
         ]
       },